Device for changing representation of road sign on road tunnel, has fastening devices for attaching a housing comprising transmitter to road tunnel and for rotating housing around vertical pivotal axis

摘要

The device has a housing (11) that includes a transmitter (12) comprising transmitter elements configured to output different road signs (10). A control unit is provided to activate or deactivate the transmitter elements. The fastening devices (13,14) are provided for attaching the housing to a road tunnel (W) and for rotating the housing around a vertical pivotal axis (15).